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لصمت مشاعر 17-01-2012 02:44 PM

آلْليِ يَڪْرَه آلْـ ح’ـيْۈآنآتَ يَدْخ’ـلَ هآلْمُۈضُۈعَ ◦◦
Animals nobody loves

1. Profiles a verity of animals whose physical characteristics and /or dispositions make them unpopular with humans.
2. Project aims to correct our misconceptions about these animals and why the people don't like them.
3. To explain why people fear from these animals like snake, crocodile…etc.

وهاي الترجمة
حيوانات لا احد يحبهاا .....
1- حقيقة حياة الحيواانات التي خصائصها الطبيعية او شكلها يجعلونها مكروه من البشر.
2- اهداف تصحيح اوهامنا حول هذه الحيوانات والتي الناس لا يحبونهم ....
3- توضيح سبب خوف الناس من هذه الحيوانات مثل الافعى والتمساح والعنكبوت ... الخ

ياليت تكتبونه حتى ولو بالعربي وانا احوله انجليزي طلبتكم لاتنسوني ....cat:)cat:)cat:)

بوخالد الحجاجي 17-01-2012 07:00 PM

إليك هذا البحث
والتقرير مكتوب من قبل

Animals Nobody Loves

There are approximately thirty species of rattlesnake, with numerous subspecies. They receive their name for the rattle located at the end of their tails. The rattle is used as a warning device when threatened. The scientific name Crotalus derives from the Greek, κρόταλον, meaning "castanet". The name Sistrurus is the Latinized form of the Greek word for "tail rattler" (Σείστρουρος, Seistrouros) and shares its root with the ancient Egyptian musical instrument, the sistrum, a type of rattle. Most rattlesnakes mate in the spring. All species give live birth, rather than laying eggs. The young are self-sufficient from birth. Since they do not need their mother after birth, the mother does not remain with her young. However, at least one captive study has demonstrated that females and their neonates show some level of affinity for each other's company and will cross barriers to reunite if separated.
Contrary to popular myth, rattlesnakes are not deaf. In fact, the structure of their inner ears is very much like that of other reptiles. They do, however, lack external ears. Sound (whether from air or ground vibration) is transmitted to the snake's inner ear via bone and muscle

Nile crocodiles
In antiquity, Nile crocodiles occurred in the Nile delta and the Zarqa River, and they are recorded by Herodotus to have inhabited Lake Moeris. They are thought to have become extinct in the Seychelles in the early 19th century. It is known from fossil remains that they once inhabited Lake Edward.[1] The Nile crocodile's current range of distribution extends from the Senegal River, Lake Chad, Wadai and the Sudan to the Cunene and the Okavango Delta. In Madagascar, crocodiles occur in the western and southern parts from Sembirano to Port Dauphin. They have occasionally been spotted in Zanzibar and the Comoros.
In West Africa, Nile crocodiles occur most frequently in coastal lagoons, estuaries, and in the rivers bordering the equatorial forest belt. In East Africa, they are found mostly in rivers, lakes, marshes, and dams. They have been known to enter the sea in some areas, with one specimen having been seen 11 km off Santa Lucia Bay in 1917. In Madagascar, they have adapted to living in caves. Once living in caves, the crocodile may still stay in the shallow parts of it as to see its surroundings.

Spiders (order Araneae) are air-breathing chelicerate arthropods that have eight legs, and chelicerae modified into fangs that inject venom. They are the largest order of arachnids and rank seventh in total species diversity among all other groups of organisms.[1] Spiders are found worldwide on every continent except for Antarctica, and have become established in nearly every ecological niche with the exception of air and sea colonization. As of 2008, approximately 40,000 spider species, and 109 families have been recorded by taxonomists;[2] however, there has been confusion within the scientific community as to how all these genera should be classified, as evidenced by the over 20 different classifications that have been proposed since 1900.[3]
Anatomically, spiders differ from other arthropods in that the usual body segments are fused into two tagmata, the cephalothorax and abdomen, and joined by a small, cylindrical pedicel. Unlike insects, spiders do not have antennae. In all except the most primitive group, the Mesothelae, spiders have the most centralized nervous systems of all arthropods, as all their ganglia are fused into one mass in the cephalothorax. Unlike most arthropods, spiders have no extensor muscles in their limbs and instead extend them by hydraulic pressure.
Their abdomens bear appendages that have been modified into spinnerets that extrude silk from up to six types of silk glands within their abdomen. Spider webs vary widely in size, shape and the amount of sticky thread used. It now appears that the spiral orb web may be one of the earliest forms, and spiders that produce tangled cobwebs are more abundant and diverse than orb-web spiders. Spider-like arachnids with silk-producing spigots appear in the Devonian period about 386 million years ago, but these animals apparently lacked spinnerets. True spiders have been found in Carboniferous rocks from 318 to 299 million years ago, and are very similar to the most primitive surviving order, the Mesothelae. The main groups of modern spiders, Mygalomorphae and Araneomorphae, first appear in the Triassic period, before 200 million years ago.
A vegetarian species was described in 2008,[4] but all other known species are predators, mostly preying on insects and on other spiders, although a few large species also take birds and lizards. Spiders use a wide range of strategies to capture prey: trapping it in sticky webs, lassoing it with sticky bolas, mimicking the prey to avoid detection, or running it down. Most detect prey mainly by sensing vibrations, but the active hunters have acute vision, and hunters of the genus Portia show signs of intelligence in their choice of tactics and ability to develop new ones. Spiders' guts are too narrow to take solids, and they liquidize their food by flooding it with digestive enzymes and grinding it with the bases of their pedipalps, as they do not have true jaws.
Male spiders identify themselves by a variety of complex courtship rituals to avoid being eaten by the females. Males of most species survive a few matings, limited mainly by their short life spans. Females weave silk egg-cases, each of which may contain hundreds of eggs. Females of many species care for their young, for example by carrying them around or by sharing food with them. A minority of species are social, building communal webs that may house anywhere from a few to 50,000 individuals. Social behavior ranges from precarious toleration, as in the aggressive widow spiders, to co-operative hunting and food-sharing. Although most spiders live for at most two years, tarantulas and other mygalomorph spiders can live up to 25 years in captivity.
While the venom of a few species is dangerous to humans, scientists are now researching the use of spider venom in medicine and as non-polluting pesticides. Spider silk provides a combination of lightness, strength and elasticity that is superior to that of synthetic materials, and spider silk genes have been inserted into mammals and plants to see if these can be used as silk factories. As a result of their wide range of behaviors, spiders have become common symbols in art and mythology symbolizing various combinations of patience, cruelty and creative powers.
Source: http://en.wikipedia.org/wiki

بحث جاهز فنقلته

زهرة الكاميليا 18-01-2012 07:21 AM

مشكووووووووووور اخوي بوخالد الحجاجي جزاك الله كل خير ... لكن بحثي في حدود الاهداف الثلاث التي وضعتهااا
Profiles a verity of animals whose physical characteristics and /or dispositions make them unpopular with humans.
2. Project aims to correct our misconceptions about these animals and why the people don't like them.
3. To explain why people fear from these animals like snake, crocodile…etc.

بوخالد الحجاجي 18-01-2012 02:03 PM

يمكن تستفيد من هالموقع





الساعة الآن 05:30 AM.

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